﻿var popupStatus = 0;
//loading popup with jQuery magic!  
function loadPopup() {
    //loads popup only if it is disabled  
    if (popupStatus == 0) {
        $("#backgroundPopup").css({
            "opacity": "0.7"
        });
        $("#backgroundPopup").fadeIn("slow");
        $("#link").fadeIn("slow");
        popupStatus = 1;
    }
}
function centerPopup() {
    //request data for centering  
    var windowWidth = document.documentElement.clientWidth;
    var windowHeight = document.documentElement.clientHeight;
    var popupHeight = $("#link").height();
    var popupWidth = $("#link").width();
    //centering
    $("#link").css({
        "position": "absolute",
        "top": windowHeight / 2 - popupHeight / 2,
        "left": windowWidth / 2 - popupWidth / 2
    });
}
function disablePopup() {
    //disables popup only if it is enabled  
    if (popupStatus == 1) {
        $("#backgroundPopup").fadeOut("slow");
        $("#link").fadeOut("slow");
        $("#left").css({
            "position": "absolute"
        });
        $("#button").css({
            "visibility": "visible"
        });
        popupStatus = 0;
    }
}  